7.8
CVE-2021-26910
- EPSS 0.44%
- Veröffentlicht 08.02.2021 20:15:13
- Zuletzt bearbeitet 21.11.2024 05:57:01
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Firejail Project ≫ Firejail Version < 0.9.64.4
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.44% | 0.353 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7 | 1 | 5.9 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 6.9 | 3.4 | 10 |
AV:L/AC:M/Au:N/C:C/I:C/A:C
|
| cve@mitre.org | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
http://www.openwall.com/lists/oss-security/2021/02/09/1
https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
https://github.com/netblue30/firejail/releases/tag/0.9.64.4
https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html
https://security.gentoo.org/glsa/202105-19
https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/
https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt
https://www.debian.org/security/2021/dsa-4849